﻿// ===================================
// <copyright>LogoUI Co.</copyright>
// <author>Vlad Spivak</author>
// <email>mailto:vlads@logoui.co.il</email>
// <created>Saturday, November 20, 2010</created>
// <lastedit>Tuesday, November 23, 2010</lastedit>

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//
// <remarks>Part of this software based on various internet sources, mostly on the works
// of members of Wpf Disciples group http://wpfdisciples.wordpress.com/
// Also project may contain code from works of Nito and OpenLight group</remarks>
// ====================================================================================//

#if SILVERLIGHT


using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Windows;
using System.Windows.Interactivity;
using System.ServiceModel.DomainServices.Client.ApplicationServices;
using System.ComponentModel;

namespace LogoFX.Infra.Interactivity
{
    public abstract class BaseRoleBasedBehavior<T>
        : Behavior<T> where T : DependencyObject
    {

        [Category("Security Settings")]
        [Description("Associated control will only be visible if the current user is a member of one or more of these roles.")]
        public  Collection<string> AllowedRoles { get; set; }


        public BaseRoleBasedBehavior()
        {
            this.AllowedRoles = new Collection<string>();

            if (DesignTimeHelper.IsRuntime)
            {

                WebContextBase.Current.Authentication.LoggedIn += 
                    new System.EventHandler<AuthenticationEventArgs>(UpdateAssociatedObject);

                WebContextBase.Current.Authentication.LoggedOut += 
                    new System.EventHandler<AuthenticationEventArgs>(UpdateAssociatedObject);

            }
        }


        protected abstract void UpdateAssociatedObject(object sender, AuthenticationEventArgs e);

        protected override void OnAttached()
        {
            base.OnAttached();

            this.UpdateAssociatedObject(this, null);
        }

        protected override void OnDetaching()
        {
            base.OnDetaching();
        }

        protected bool IsInRole(string roleName)
        {

            if (DesignTimeHelper.IsRuntime)
            {
                return WebContextBase.Current.Authentication.User.IsInRole(roleName);
            }
            else
            {
                return true;

            }
        }

        
    }
}

#endif